sureshanaparti opened a new issue, #9836:
URL: https://github.com/apache/cloudstack/issues/9836
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NPE during host rolling maintenance when host has VMs with custom
constrained/unconstrained service offering
##### ISSUE TYPE
<!-- Pick one below and delete the rest -->
* Bug Report
##### COMPONENT NAME
<!--
Categorize the issue, e.g. API, VR, VPN, UI, etc.
-->
~~~
Host
~~~
##### CLOUDSTACK VERSION
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New line separated list of affected versions, commit ID for issues on main
branch.
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~~~
4.19.1.2
~~~
##### OS / ENVIRONMENT
<!--
Information about the environment if relevant, N/A otherwise
-->
MS + KVM Hosts (OL8)
##### SUMMARY
<!-- Explain the problem/feature briefly -->
NPE after start rolling maintenance when host has VMs with custom
constrained/unconstrained service offering.
##### STEPS TO REPRODUCE
<!--
For bugs, show exactly how to reproduce the problem, using a minimal
test-case. Use Screenshots if accurate.
For new features, show how the feature would be used.
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- Set host tag (tag1) to host, say Host1
- Set host tag (tag1) to any other host, say Host2, in the same cluster as
Host1
- Create custom constrained/unconstrained service offering with host tag tag1
- Create VM on the Host1, using the above service offering
- Start rolling maintenance on Host1
Logs:
```
2024-10-22 07:33:59,845 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl]
(API-Job-Executor-39:ctx-8b239b3a job-58) (logid:dae9839e) Executing
AsyncJobVO: {id:58, userId: 2, accountId: 2, instanceType: Host, instanceId: 1,
cmd:
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd,
cmdInfo:
{"response":"json","ctxUserId":"2","sessionkey":"5KjTYbzLXZBM2G0YP4VX1m0ImKo","httpmethod":"GET","ctxStartEventId":"141","hostids":"3ebaf579-7343-463b-9f85-8d7672f23dff","ctxDetails":"{\"interface
com.cloud.host.Host\":\"3ebaf579-7343-463b-9f85-8d7672f23dff\"}","ctxAccountId":"2","cmdEventType":"HOST.ROLLING.MAINTENANCE"},
cmdVersion: 0, status: IN_PROGRESS, processStatus: 0, resultCode: 0, result:
null, initMsid: 32989593469185, completeMsid: null, lastUpdated: null,
lastPolled: null, created: null, removed: null}
2024-10-22 07:33:59,857 DEBUG [c.c.r.RollingMaintenanceManagerImpl]
(API-Job-Executor-39:ctx-8b239b3a job-58 ctx-46d77a1d) (logid:dae9839e) State
checks on the hosts in the cluster
2024-10-22 07:33:59,857 DEBUG [c.c.r.RollingMaintenanceManagerImpl]
(API-Job-Executor-39:ctx-8b239b3a job-58 ctx-46d77a1d) (logid:dae9839e)
Checking hosts capacity before attempting rolling maintenance
2024-10-22 07:33:59,865 DEBUG [c.c.c.CapacityManagerImpl]
(API-Job-Executor-39:ctx-8b239b3a job-58 ctx-46d77a1d) (logid:dae9839e) Host
{id: 1, name: ol8.localdomain, uuid: 3ebaf579-7343-463b-9f85-8d7672f23dff} is
KVM hypervisor type, no max guest limit check needed
2024-10-22 07:33:59,876 ERROR [c.c.a.ApiAsyncJobDispatcher]
(API-Job-Executor-39:ctx-8b239b3a job-58) (logid:dae9839e) Unexpected exception
while executing
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd
java.lang.NullPointerException
at
com.cloud.capacity.CapacityManagerImpl.checkIfHostHasCpuCapability(CapacityManagerImpl.java:415)
at
com.cloud.resource.RollingMaintenanceManagerImpl.performCapacityChecksBeforeHostInMaintenance(RollingMaintenanceManagerImpl.java:641)
at
com.cloud.resource.RollingMaintenanceManagerImpl.performCapacityChecks(RollingMaintenanceManagerImpl.java:593)
at
com.cloud.resource.RollingMaintenanceManagerImpl.startRollingMaintenance(RollingMaintenanceManagerImpl.java:200)
at
org.apache.cloudstack.api.command.admin.resource.StartRollingMaintenanceCmd.execute(StartRollingMaintenanceCmd.java:131)
at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:172)
at
com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:112)
at
org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:654)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:48)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:55)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:102)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:52)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:45)
at
org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.run(AsyncJobManagerImpl.java:602)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
2024-10-22 07:33:59,879 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl]
(API-Job-Executor-39:ctx-8b239b3a job-58) (logid:dae9839e) Complete async
job-58, jobStatus: FAILED, resultCode: 530, result:
org.apache.cloudstack.api.response.ExceptionResponse/null/{"uuidList":[],"errorcode":"530"}
```
##### EXPECTED RESULTS
<!-- What did you expect to happen when running the steps above? -->
~~~
Rolling maintenance of host should be performed without any issues.
~~~
##### ACTUAL RESULTS
<!-- What actually happened? -->
<!-- Paste verbatim command output between quotes below -->
~~~
Rolling maintenance of host fails with error, when host has VMs with custom
constrained/unconstrained service offering.
~~~
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